This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A112062 #2 Mar 31 2012 14:02:21 %S A112062 3,4,7,8,15,16,19,20,27,28,31,32,39,40,43,44,51,52,55,56,63,64,67,68, %T A112062 75,76,79,80,87,88,91,92,99,100,103,104,111,112,115,116,123,124,127, %U A112062 128,135,136,139,140,147,148,151,152,159,160,163,164,171,172,175,176 %N A112062 Positive integers i for which A112049(i) == 2. %Y A112062 Row 2 of A112060. %K A112062 nonn %O A112062 1,1 %A A112062 _Antti Karttunen_, Aug 27 2005